By finding a rare Action Kamen card, Shinnosuke Nohara and his family end up being chosen to go to a parallel world and help foil an alien invasion that is occurring over there. 

(Source: ANN)

Teropterids are evil beasts which pose as humans and live only to drink human blood. Fortunately for the human world there are groups dedicated to destroying them. A brooding and mysterious girl named Saya is the best teropterid slayer there is, and now, in 1960s Japan, she is sent to a U. S. army base which may be infested...

Why should girls get to have all the fun? These magical boys are here to save the world from the loveless... at least that's what the pink wombat who gives them their magical powers wants them to do. In Binan Koukou Chikyuu Bouei-bu Love!, the main characters are the members of the "Earth Defense Club" at the Binan High School, though all they really want to do is hang out, goof off, and relax at the nearby Kurotama Bath. One fateful day, though, a pink wombat appears out of nowhere and forces these five high school students to become "Battle Lovers" and protect Earth from a trio of villains who are taking orders from a green hedgehog. Over the course of the series, the Battle Lovers will take on a variety of fiends, including the chikuwabu monster, a chopstick phantom, a monster remote control, and plenty more strange enemies! Will the heirs to the throne of love be able to protect Earth from those who want to destroy love? Or will the Earth Conquest Club fill the world with hate?

Akari Kanzaki has just joined an all-girls academy in hopes of entering the University Satellite, an elite sports training facility. She wants to win the title of Cosmo Beauty - a title held years ago by her mother. It's not an easy task for her as fear, doubt and peer pressure get in her way, but friends, rivals and fans slowly encourage her to overcome her obstacles and become the best of the Battle Athletes. (Source: ANN)